Mitsubishi Electric PURY-(E)P-YLM-A (-BS) Installation Manual page 25

9-4-2. Example of pipe connection between an outdoor unit and BC controller, and
between a BC controller and indoor unit (R2 system)
P200 to P500YLM-A
EP200 to EP500YLM-A
Unit 1
Ⓐ
A
Ⓖ
a
Ⓔ
P400 to P900YSLM
EP500 to EP900YSLM
Unit 1
Unit 2
Ⓐ
Ⓐ
Ⓙ
A
1
A
2
A
Ⓒ
Ⓖ Ⓗ
a
Ⓔ
*1
h
Ⓑ Ⓒ Ⓓ
j
g
i
Ⓕ
WT07282X01
Ⓑ Ⓒ
Ⓗ
b
B
Ⓘ
c
Ⓕ Ⓔ
C
Ⓘ
B
b
Ⓘ
c d
Ⓕ Ⓔ Ⓔ
*1
Ⓐ Outdoor unit
Ⓑ BC controller (Standard)
Ⓒ BC controller (Main)
Ⓓ BC controller (Sub)
Ⓔ Indoor unit (Total capacity of downstream indoor
units: 15 to 80)
Ⓕ Indoor unit (Total capacity of downstream indoor
units: 100 to 250)
Ⓖ Reducer
Ⓗ Joint Pipe Kit
Ⓔ
Ⓘ 2-Branch Joint Pipe
Ⓙ Outdoor unit twinning kit
d
Ⓔ
e
Ⓓ
D
Ⓓ
E
f
Ⓔ
GB-23